<template>
	<div class="icons">
		<swiper :options="swiperOption">
			<swiper-slide v-for="(page,index) of pages" :key="index">
				<div class="icon" v-for="item of page" :key="item.id">
					<div class="icon-img">
						<img class="icon-img-content" :src="item.iconUrl">
					</div>
					<p class="icon-desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
			<div class="swiper-pagination"  slot="pagination"></div>
		</swiper>
	</div>
</template>

<script type="text/javascript">
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      // icon自动到下一页
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8) // 当前图标应该展示在第几页
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~@/assets/styles/varibles.styl';
@import '~@/assets/styles/mixins.styl';

.icons >>> .swiper-container {
	height: 0;
	padding-bottom: 50%;
}
.icons {
	margin-top: 0.1rem;
	.icon {
		width: 25%;
		height: 0;
		float: left;
		padding-bottom: 25%;
		position: relative;
		.icon-img {
			position: absolute;
			top: 0;
			left: 0;
			right: 0;
			bottom: 0.42rem;
			box-sizing: border-box;
			padding: 0.15rem;
			.icon-img-content {
				height: 100%;
				display: block;
				margin: 0 auto;
			}
		}
		.icon-desc {
			position: absolute;
			left: 0;
			right: 0;
			bottom: 0;
			height: 0.42rem;
			line-height: 0.42rem;
			color: $darkTextColor;
			text-align: center;
			ellipsis();
		}
	}
}
</style>
